<template>
    <div class="icons">
        <a href="#jindian">
         <swiper :options="swiperOption" v-if="showSwiper">
            <swiper-slide v-for="(page, index) of pages" :key="index">
         <div class="icon" v-for="item of page" :key="item.id">  
            <div class="icon-img">
            <img class="icon-img-content" :src='item.imgUrl'>
            <p class="icon-desc">{{item.desc}}</p>
        </div>

         </div>
     </swiper-slide>
    <div class="swiper-pagination"  slot="pagination"></div>
          
       </swiper>
</a>
    </div>
</template>
<script>
    export default {
       name: 'HomeIcons',
        props: {
          list: Array
       },
       data () {
         return {
            swiperOption: {
              pagination: '.swiper-pagination',
                autoplay: false,
                loop: true
            }
         }
       },
       computed: {
        showSwiper () {
                return this.list.length
            },
        pages () {
            const pages = []
            this.list.forEach((item, index) => {
                const page = Math.floor(index / 8)
                if (!pages[page]) {
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages   
        }
       }
    }
</script>
<style lang="stylus" scoped>
   @import '~styles/main.styl'
   @import '~styles/mixins.styl'


    .icons >>> .swiper-container 
        height: 0;
        padding-bottom: 50%;
        

    .icon {
        position: relative;
        overflow: hidden;
        float: left;
        width: 25%;
        height: 0;
        padding-bottom: 25%;
    }
     

    .icon-img {
        position: absolute;
        top:0;
        right: 0;
        left: 0;
        bottom: .44rem;
        box-sizing: border-box;
        padding: .1rem
    }

    .icon-img-content {
        height: 100%;
        display: block;
        margin: 0 auto;
    }

    .icon-desc {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: .44rem;
        line-height: .84rem;
        color: $darkTextColor;
        text-align: center;
    }

</style>